<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>

<body>
  <div id ="app">
    <h2>{{message}}</h2>
    <h2>{{message}}, 马冬梅</h2>

    <!-- mustach语法，不仅仅可以直接写变量，也可以写简单的表达式 -->
    <h2>{{ firstName + lastName}}</h2>
    <h2>{{ firstName + ' ' + lastName}}</h2>
    <h2>{{firstName}}{{lastName}}</h2>
    <h2>{{counter * 2}}</h2>



  </div>

  <script src="../js/vue.js"></script>
  <script>
   //创建Vue实例,得到 ViewModel
   const vm = new Vue({
    el: '#app',
    data: {
      message: 'hello',
      firstName: 'wang',
      lastName: 'boke',
      counter: 100
    },
    methods: {}
   });
  </script>
</body>

</html>
